Protein Intake and Sleep Quality

Today we’re going to look at two studies from Purdue University, Paula’s alma mater, on the role of protein intake and sleep during a weight loss program (1). In the first, 14 subjects were given a diet with an increasing percentage of protein intake. After two weeks on their normal diet, subjects were put on a diet that reduced calories by 750; every four weeks, the protein content was increased, beginning with 10%, then 20%, and finally to 30% protein. Their sleep was assessed using the Pittsburg Sleep Quality test before and then after four weeks on each . . .

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